CN215504620U

CN215504620U - Jet type negative pressure suction head

Info

Publication number: CN215504620U
Application number: CN202121049385.2U
Authority: CN
Inventors: 王永利
Original assignee: Qingzhou City Huanglou Yongli Sand Mining Machinery Manufacturing Co ltd
Current assignee: Qingzhou City Huanglou Yongli Sand Mining Machinery Manufacturing Co ltd
Priority date: 2021-05-17
Filing date: 2021-05-17
Publication date: 2022-01-14
Anticipated expiration: 2031-05-17

Abstract

The utility model discloses a jet type negative pressure suction head which comprises a transition pipe and an aeration host, wherein one end of the transition pipe is fixedly connected with a throat pipe, one end of the throat pipe is fixedly connected with a diffusion pipe, an L-shaped plate is fixedly connected onto the diffusion pipe, a threaded hole is formed in the L-shaped plate, a threaded rod is connected with the threaded hole in a threaded manner, the tail end of the threaded rod is fixedly connected with a first rotating shaft, one end of the first rotating shaft is fixedly connected into a first bearing, the first bearing is fixedly connected above a sealing plate, the sealing plate is connected into a through groove in a clamping manner, and the through groove is formed in the diffusion pipe. This efflux formula negative pressure suction head sets up and cup joints the butt joint pipe on the inner tube, and the slide rail slips into the slide this moment, and inner tube outer wall extrusion convex plate simultaneously, when the slide rail docks with the slide completely, the convex plate arrives in groove department, inserts the recess to the butt joint pipe is fixed on the inner tube, thereby installs this negative pressure suction head on the aeration host computer, thereby be convenient for and be connected between the aeration host computer.

Description

Jet type negative pressure suction head

Technical Field

The utility model relates to the technical field of jet flow, in particular to a jet flow type negative pressure suction head.

Background

Jet refers to a stream of fluid that is emitted from a nozzle, orifice, slit, or mechanically propelled and commingled with surrounding fluid. The high reynolds number jets often encountered are generally free turbulent flows without solid wall constraints. This turbulent jet is continually expanding by entrainment of surrounding fluid through active turbulent mixing at the boundary and flows downstream. Jet flow is widely applied in many technical fields such as water pumps, steam pumps, ventilators, chemical equipment, jet planes and the like, and a suction head produced by the jet flow principle is a jet flow type negative pressure suction head.

The currently used jet type negative pressure suction head is inconvenient to adjust the jet area as required and is inconvenient to connect with an aeration host.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a jet type negative pressure suction head, which solves the problems that the jet type negative pressure suction head used in the current market proposed by the background technology is inconvenient to adjust the jet area according to the requirement and is inconvenient to connect with an aeration main machine.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a efflux formula negative pressure suction head, includes transition pipe and aeration host computer, transition pipe one end fixedly connected with choke, choke one end fixedly connected with diffusion tube, fixedly connected with L template on the diffusion tube, the screw hole has been seted up in the L template, screw hole female connection has the threaded rod, the terminal first pivot of fixedly connected with of threaded rod, first pivot one end fixed connection is in first bearing, first bearing fixed connection is in the shrouding top, the shrouding block is connected in logical inslot, logical groove is seted up on the diffusion tube.

Preferably, fixedly connected with connecting pipe on the transition pipe, be connected with the intake pipe on the connecting pipe, intake pipe top fixedly connected with muffler, fixedly connected with riser on the transition pipe, riser female connection has locking bolt, locking bolt one end fixedly connected with second pivot, second pivot one end is connected in limiting plate one side.

Preferably, transition pipe one end fixedly connected with is to the pipe, butt joint pipe inner wall fixedly connected with slide rail, sliding connection has the slide in the slide rail, slide one side fixedly connected with inner tube, set up the recess on the inner tube outer wall, the joint is connected with the flange in the recess, flange one end fixedly connected with baffle, baffle one side fixedly connected with spring, spring one end fixed connection is in the sleeve, sleeve fixed connection is on the butt joint inside pipe wall, inner tube one end inlays and establishes in the end plate, aeration host computer below one side fixedly connected with end plate.

Preferably, the L-shaped plate, the threaded holes, the threaded rods, the first rotating shaft, the first bearings, the sealing plates and the through grooves are symmetrically arranged in two groups around the central axis of the diffusion tube, and the height of the threaded rods is greater than that of the sealing plates.

Preferably, the overlooking section of the limiting plate is semicircular, and the radius of the overlooking section of the limiting plate is equal to that of the air inlet pipe.

Preferably, the slide rail, the slide plate, the groove, the convex plate, the baffle, the spring and the sleeve are arranged in an annular array relative to the circle center of the butt joint pipe, and the length of the spring is smaller than the depth inside the sleeve.

Compared with the prior art, the utility model has the beneficial effects that: this efflux formula negative pressure suction head:

1. the negative pressure suction head is provided with butt joint pipes, slide rails, slide plates, an inner pipe, a groove, a convex plate, a baffle, a spring, a sleeve and an end plate, wherein the four groups of slide rails on the inner side of the butt joint pipes are aligned with the four groups of slide plates on the outer wall of the inner pipe, then the butt joint pipes are sleeved on the inner pipe, the slide rails slide into the slide plates at the moment, the outer wall of the inner pipe extrudes the convex plate, the convex plate extrudes the spring in the sleeve through the baffle, and when the slide rails are completely butted with the slide plates, the convex plate reaches the groove and is inserted into the groove, so that the butt joint pipes are fixed on the inner pipe, and the negative pressure suction head is installed on an aeration host machine so as to be conveniently connected with the aeration host machine;

2. the vertical plate, the locking bolt, the second rotating shaft and the limiting plate are arranged, after the negative pressure suction head is installed, the locking bolt is rotated, the limiting plate is pushed inwards while the locking bolt rotates, the limiting plate cannot be driven to rotate under the action of the second rotating shaft, the inner side of the limiting plate is attached to the inner side of the air inlet pipe, the air inlet pipe is limited, the air inlet pipe is prevented from being too long, and the shaking amplitude is too large during working;

3. be provided with L template, screw hole, threaded rod, first pivot, first bearing, shrouding, logical groove, accomplish the back to the intake pipe restriction, rotatory threaded rod, threaded rod drive the shrouding rebound through the screw hole in rotatory, and first pivot can not drive the shrouding when making the threaded rod rotate and rotate to adjust the clearance between two sets of shroudings, thereby can adjust the jet area as required.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the inner tube structure of the present invention;

FIG. 3 is an enlarged view of the part A of the present invention.

In the figure: 1. a transition duct; 2. a throat; 3. a diffuser tube; 4. an L-shaped plate; 5. a threaded hole; 6. a threaded rod; 7. a first rotating shaft; 8. a first bearing; 9. closing the plate; 10. a through groove; 11. a connecting pipe; 12. an air inlet pipe; 13. a muffler; 14. a vertical plate; 15. locking the bolt; 16. a second rotating shaft; 17. a limiting plate; 18. butt-joint pipes; 19. a slide rail; 20. a slide plate; 21. an inner tube; 22. a groove; 23. a convex plate; 24. a baffle plate; 25. a spring; 26. a sleeve; 27. an end plate; 28. an aeration main machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a jet type negative pressure suction head comprises a transition pipe 1, a throat pipe 2, a diffusion pipe 3, an L-shaped plate 4, a threaded hole 5, a threaded rod 6, a first rotating shaft 7, a first bearing 8, a sealing plate 9, a through groove 10, a connecting pipe 11, an air inlet pipe 12, a silencer 13, a vertical plate 14, a locking bolt 15, a second rotating shaft 16, a limiting plate 17, a butt joint pipe 18, a sliding rail 19, a sliding plate 20, an inner pipe 21, a groove 22, a convex plate 23, a baffle plate 24, a spring 25, a sleeve 26, an end plate 27 and an aeration host 28, wherein one end of the transition pipe 1 is fixedly connected with the throat pipe 2, one end of the throat pipe 2 is fixedly connected with the diffusion pipe 3, the diffusion pipe 3 is fixedly connected with the L-shaped plate 4, the threaded hole 5 is formed in the L-shaped plate 4, the threaded hole 5 is in threaded connection with the threaded rod 6, the tail end of the threaded rod 6 is fixedly connected with the first rotating shaft 7, one end of the first rotating shaft 7 is fixedly connected in the first bearing 8, the first bearing 8 is fixedly connected above the sealing plate 9, the sealing plate 9 is clamped and connected in the through groove 10, the L-shaped plate 4, the threaded hole 5, the threaded rod 6, the first rotating shaft 7, the first bearing 8, the sealing plate 9 and the through groove 10 are symmetrically arranged in two groups about the central axis of the diffusion tube 3, the height of the threaded rod 6 is larger than that of the sealing plate 9, the jet flow area is adjusted by adjusting the gap between the two groups of sealing plates 9, the through groove 10 is arranged on the diffusion tube 3, the transition tube 1 is fixedly connected with the connecting tube 11, the connecting tube 11 is connected with the air inlet tube 12, the top end of the air inlet tube 12 is fixedly connected with the silencer 13, the transition tube 1 is fixedly connected with the vertical plate 14, the vertical plate 14 is internally threaded with the locking bolt 15, one end of the locking bolt 15 is fixedly connected with the second rotating shaft 16, one end of the second rotating shaft 16 is connected to one side of the limiting plate 17, the overlooking cross section of the limiting plate 17 is semicircular, the overlooking cross section radius of the limiting plate 17 is equal to the radius of the air inlet pipe 12, so that the limiting plate 17 can be attached to the air inlet pipe 12, the air inlet pipe 12 is limited, the shaking range of the air inlet pipe 12 in work cannot be too large, one end of the transition pipe 1 is fixedly connected with the butt joint pipe 18, the inner wall of the butt joint pipe 18 is fixedly connected with a slide rail 19, a slide plate 20 is connected in the slide rail 19 in a sliding mode, one side of the slide plate 20 is fixedly connected with an inner pipe 21, the outer wall of the inner pipe 21 is provided with a groove 22, a convex plate 23 is connected in the groove 22 in a clamping mode, one end of the convex plate 23 is fixedly connected with a baffle plate 24, one side of the baffle plate 24 is fixedly connected with a spring 25, one end of the spring 25 is fixedly connected in a sleeve 26, and the slide rail 19, the slide plate 20, the groove 22, the convex plate 23, the baffle plate 24, the spring 25 and the sleeve 26 are provided with four groups in an annular array around the center of the butt joint pipe 18, and the length of the spring 25 is less than the depth inside the sleeve 26, so that the suction head is convenient to butt-joint and install, the sleeve 26 is fixedly connected on the inner wall of the butt joint pipe 18, one end of the inner pipe 21 is embedded in the end plate 27, and one side below the aeration host 28 is fixedly connected with the end plate 27.

The working principle is as follows: when the jet type negative pressure suction head is used, the device is simply known, firstly, four groups of sliding rails 19 at the inner side of the butt joint pipe 18 are aligned with four groups of sliding plates 20 at the outer wall of the inner pipe 21, then, the butt joint pipe 18 is sleeved on the inner pipe 21, at the moment, the sliding rails 19 slide into the sliding plates 20, simultaneously, the outer wall of the inner pipe 21 extrudes the convex plate 23, the convex plate 23 extrudes the spring 25 in the sleeve 26 through the baffle plate 24, when the sliding rails 19 are completely butted with the sliding plates 20, the convex plate 23 reaches the groove 22 and is inserted into the groove 22, so that the butt joint pipe 18 is fixed on the inner pipe 21, the negative pressure suction head is installed on the aeration host 28, the connection with the aeration host 28 is facilitated, secondly, after the negative pressure suction head is installed, the locking bolt 15 is rotated, the limiting plate 17 is pushed inwards while the locking bolt 15 rotates, and the limiting plate 17 cannot be driven to rotate through the action of the second rotating shaft 16, make the inboard laminating of limiting plate 17 and intake pipe 12, restrict intake pipe 12, prevent intake pipe 12 overlength, the during operation range of rocking is too big, then, accomplish the back to intake pipe 12 restriction, rotatory threaded rod 6, threaded rod 6 drives shrouding 9 through screw hole 5 in the rotation to the top, and first pivot 7 can not drive shrouding 9 when making threaded rod 6 rotate and rotate, thereby adjust the clearance between two sets of shrouding 9, thereby can adjust the efflux area as required, the content of not making detailed description in this description belongs to the prior art that technical personnel in this field know.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a jet type negative pressure suction head, includes transition pipe (1) and aeration host computer (28), transition pipe (1) one end fixedly connected with choke (2), choke (2) one end fixedly connected with diffusion tube (3), its characterized in that: fixedly connected with L template (4) on diffuser pipe (3), screw hole (5) have been seted up in L template (4), screw hole (5) female connection has threaded rod (6), the first pivot (7) of terminal fixedly connected with of threaded rod (6), first pivot (7) one end fixed connection is in first bearing (8), first bearing (8) fixed connection is in shrouding (9) top, shrouding (9) block is connected in leading to groove (10), it sets up on diffuser pipe (3) to lead to groove (10).

2. The jet-type negative pressure suction head according to claim 1, characterized in that: fixedly connected with connecting pipe (11) is gone up in transition pipe (1), be connected with intake pipe (12) on connecting pipe (11), intake pipe (12) top fixedly connected with muffler (13), fixedly connected with riser (14) is gone up in transition pipe (1), riser (14) female connection has locking bolt (15), locking bolt (15) one end fixedly connected with second pivot (16), second pivot (16) one end is connected in limiting plate (17) one side.

3. The jet-type negative pressure suction head according to claim 1, characterized in that: transition pipe (1) one end fixedly connected with is to managing (18), be to managing (18) inner wall fixedly connected with slide rail (19), sliding connection has slide (20) in slide rail (19), slide (20) one side fixedly connected with inner tube (21), set up fluted (22) on inner tube (21) outer wall, the joint is connected with flange (23) in recess (22), flange (23) one end fixedly connected with baffle (24), baffle (24) one side fixedly connected with spring (25), spring (25) one end fixed connection is in sleeve (26), sleeve (26) fixed connection is on being to managing (18) inner wall, inner tube (21) one end is inlayed and is established in end plate (27), aeration host computer (28) below one side fixedly connected with end plate (27).

4. The jet-type negative pressure suction head according to claim 1, characterized in that: l template (4), screw hole (5), threaded rod (6), first pivot (7), first bearing (8), shrouding (9) and lead to groove (10) and be provided with two sets ofly about the central axis symmetry of diffusion tube (3), and the height that highly is greater than shrouding (9) of threaded rod (6).

5. The jet-type negative pressure suction head according to claim 2, characterized in that: the overlook cross section of limiting plate (17) is semi-circular, and limiting plate (17) overlook cross section radius and intake pipe (12) radius equal.

6. The jet-type negative pressure suction head according to claim 3, characterized in that: the butt joint pipe is characterized in that the slide rail (19), the slide plate (20), the groove (22), the convex plate (23), the baffle (24), the springs (25) and the sleeve (26) are arranged in four groups in an annular array mode relative to the circle center of the butt joint pipe (18), and the length of each spring (25) is smaller than the depth inside the sleeve (26).